Plants, Man and the Land in the Vilcanota Valley of Peru

Man''s symbiosis with plants is the most fundamental material fact of human life on the earth. Geographers, as well as botanists, anthropologists and other scientists, have long been interested in this aspect of the man-nature theme. In American geography, CARL O. SAUER emphasized a temporal as well as spatial perspective in the cultural understanding of man''s relationship to biological phe­ nome...